What kind of quadrilateral has diagonals that are unequal and bisect each other?

What type of quadrilateral has diagonals that bisect each other at right angles and are always equal?

In which quadrilateral are the diagonals equal in length and bisect each other?

In which quadrilateral are the diagonals both equal and bisect each other at right angles?

What kind of quadrilateral has diagonals that are equal but may not necessarily bisect each other at right angles?

What type of quadrilateral has diagonals that do not necessarily bisect each other at right angles?

Which quadrilateral has diagonals that are perpendicular but not necessarily equal?

In which quadrilateral are the diagonals both equal and perpendicular?

Which quadrilateral has diagonals that are always equal but not necessarily perpendicular?

In which quadrilateral are the diagonals neither equal nor necessarily bisect each other?